public class Main {
    public static void main(String[] args) {
        System.out.println("Hello, World!");
        Phone p=new Phone();
        p.brand="小米";
        p.price=1997;
        System.out.println(p.brand);
        System.out.println(p.price);
        p.call();
        p.playgame();
        System.out.println("------");
        Phone p2=new Phone();
        p2.brand="苹果";
        p2.price=8999;
        p2.call();
        p2.playgame();
        System.out.println(p2.brand);
        System.out.println(p2.price);
        Circle c=new Circle();
        c.radius=5;
        c.draw();

    }
}